What is 9% of 50?

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Answer 1 · 2018-06-08T18:28:05

4.5%

Use the proportion method to solve these:

$\frac{part}{whole} = \frac{percent}{100}$ $"part"/"whole"="percent"/100$

You want to solve for what part of 50 9% is:

$\frac{part}{50} = \frac{9}{100}$ $"part"/50=9/100$

cross multiply:

$100 \cdot part = 9 \cdot 50$ $100*"part" = 9*50$

$100 \cdot part = 450$ $100*"part" = 450$

$part = \frac{450}{100}$ $"part" = 450/100$

$part = 4.5$ $"part" = 4.5$